1.I had to buy ()these books because I did not know which one was the best.
A:all B:none C:both D:neither
2.()you ()out the problem,Sam?
Not yet,but I am going to
A:Did work B:Are working C:Have worked D:Will work
3.Have you ()been to Xia men?
NO,()
A:ever never B.never ever C:ever ever D:never never